:root {
  color-scheme: dark;
  --ink: #eefcf9;
  --muted: #a9c3be;
  --faint: #72918b;
  --canvas: #071311;
  --surface: #0c1d1a;
  --surface-2: #112823;
  --line: #23423b;
  --teal: #5eead4;
  --teal-strong: #2dd4bf;
  --teal-ink: #042f2e;
  --amber: #fbbf24;
  --danger: #fda4af;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 100px; }
body {
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 78% 2%, rgba(45, 212, 191, .12), transparent 32rem),
    radial-gradient(circle at 10% 24%, rgba(20, 184, 166, .07), transparent 26rem),
    var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

a { color: var(--teal); }
a:hover { color: #99f6e4; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  border-radius: 8px;
  background: var(--ink);
  color: var(--canvas);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(1160px, calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(94, 234, 212, .13);
  background: rgba(7, 19, 17, .88);
  backdrop-filter: blur(18px);
}
.nav { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--ink); font-weight: 800; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(94, 234, 212, .55);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(94, 234, 212, .22), rgba(45, 212, 191, .04));
}
.brand-mark svg { width: 20px; height: 20px; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; }
.nav-links a { color: var(--muted); font-size: .93rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-links .nav-cta { color: var(--teal); }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero { display: grid; min-height: 680px; align-items: center; gap: clamp(2rem, 4vw, 3.5rem); padding: 4.5rem 0; grid-template-columns: 1.08fr .92fr; }
.hero > *, .pricing-wrap > * { min-width: 0; }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(2.8rem, 4.8vw, 4.2rem); line-height: 1.04; letter-spacing: -.05em; }
.hero h1 span { color: var(--teal); }
.lead { max-width: 650px; margin: 1.5rem 0 0; color: var(--muted); font-size: clamp(1.06rem, 2vw, 1.24rem); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .75rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--teal);
  color: var(--teal-ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.button:hover { color: var(--teal-ink); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(45, 212, 191, .2); }
.button-secondary { border-color: var(--line); background: transparent; color: var(--ink); }
.button-secondary:hover { color: var(--ink); background: var(--surface-2); }
.button[aria-disabled="true"] { cursor: not-allowed; background: #40625c; color: #b7ccc8; box-shadow: none; transform: none; }
.availability { display: inline-flex; align-items: center; gap: .55rem; color: var(--muted); font-size: .88rem; }
.hero-qualifier { margin: -.35rem 0 0; color: var(--faint); font-size: .82rem; }
.status-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--amber); box-shadow: 0 0 0 5px rgba(251, 191, 36, .1); }

.app-frame { position: relative; filter: drop-shadow(var(--shadow)); }
.app-frame::before { content: ""; position: absolute; inset: 12% 0 -12% 8%; z-index: -1; border-radius: 50%; background: rgba(45, 212, 191, .16); filter: blur(70px); }
.hero-frame-label { display: flex; align-items: center; gap: .7rem; margin: 0 0 1.2rem .35rem; color: var(--muted); font-size: .78rem; }
.hero-frame-label .status-dot { background: var(--teal); box-shadow: 0 0 0 5px rgba(94, 234, 212, .08); }
.hero-frame-caption { margin: 1.3rem 0 0; color: var(--faint); font-size: .8rem; text-align: center; }
.app-window { overflow: hidden; border: 1px solid rgba(148, 210, 200, .25); border-radius: 18px; background: rgba(12, 29, 26, .82); box-shadow: inset 0 1px rgba(255, 255, 255, .06); transform: perspective(1100px) rotateY(-4deg) rotateX(1deg); }
.titlebar { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1rem; border-bottom: 1px solid var(--line); font-size: .72rem; color: var(--muted); }
.traffic { display: flex; gap: .35rem; }
.traffic i { width: 8px; height: 8px; border-radius: 50%; background: #31564f; }
.toolbar { display: grid; gap: .55rem; padding: .8rem; border-bottom: 1px solid var(--line); grid-template-columns: auto 1fr auto; }
.tool-button, .address { min-height: 32px; border: 1px solid var(--line); border-radius: 7px; background: rgba(4, 47, 46, .28); color: var(--muted); }
.tool-button { display: grid; min-width: 34px; place-items: center; }
.address { display: flex; align-items: center; padding-inline: .75rem; }
.panels { display: grid; min-height: 300px; gap: 1px; background: var(--line); grid-template-columns: 1fr 1fr; }
.panel { position: relative; display: grid; min-width: 0; overflow: hidden; align-items: center; padding: 3rem 1.1rem 1.7rem; background: linear-gradient(155deg, #122c27, #091714); }
.panel-label { position: absolute; top: 1rem; left: 1rem; color: var(--faint); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hero-note { width: 100%; }
.mock-kicker { color: var(--faint); font-size: .6rem; }
.hero-note strong { display: block; margin: .55rem 0 1.3rem; font-size: clamp(1.05rem, 2vw, 1.65rem); line-height: 1.2; letter-spacing: -.03em; }
.mock-line { display: block; width: 100%; height: 5px; margin: .55rem 0; border-radius: 2px; background: #25473e; }
.mock-line.short { width: 72%; }
.note-check { display: block; margin-top: 1.45rem; color: var(--teal); font-size: .57rem; }
.control-strip { display: grid; gap: .65rem; padding: 1rem; grid-template-columns: 1fr auto; }
.slider { align-self: center; height: 5px; border-radius: 999px; background: linear-gradient(90deg, var(--teal) 65%, #24433d 65%); }
.toggle { width: 42px; height: 24px; padding: 3px; border-radius: 999px; background: var(--teal-strong); }
.toggle::after { content: ""; display: block; width: 18px; height: 18px; margin-left: auto; border-radius: 50%; background: white; }

.trust-strip { display: grid; gap: 1px; margin-bottom: 2rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); grid-template-columns: repeat(3, 1fr); }
.trust-item { padding: 1.4rem; background: rgba(12, 29, 26, .82); }
.trust-item strong { display: block; color: var(--ink); font-size: 1rem; }
.trust-item span { color: var(--muted); font-size: .88rem; }

section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-head { display: grid; align-items: end; gap: 1.5rem; margin-bottom: 2.5rem; grid-template-columns: 1fr .8fr; }
.section-head h2 { max-width: 720px; margin: 0; font-size: clamp(2rem, 4.2vw, 3.65rem); line-height: 1.07; letter-spacing: -.035em; }
.section-head p { margin: 0; color: var(--muted); }
.section-head .eyebrow { margin-bottom: 1rem; color: var(--teal); }

.demo-section { padding-top: 4rem; }
.demo-heading h2 span { color: var(--teal); }
.demo-heading > div:last-child { max-width: 450px; }
.simulation-badge { display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1rem; padding: .4rem .75rem; border: 1px solid rgba(94, 234, 212, .3); border-radius: 999px; background: rgba(94, 234, 212, .06); color: var(--teal); font-size: .75rem; font-weight: 750; }
.simulation-badge span { font-size: 1rem; line-height: 1; }
.demo-workbench { overflow: hidden; border: 1px solid #31594f; border-radius: 20px; background: var(--surface); box-shadow: var(--shadow); }
.demo-controls { display: grid; gap: 1.75rem; padding: 1.7rem 1.7rem 1.1rem; grid-template-columns: 1.3fr 1fr .8fr; }
.demo-control { min-width: 0; }
.demo-control > label, .demo-field-label, .demo-control-label { display: block; margin-bottom: .65rem; color: var(--ink); font-size: .8rem; font-weight: 700; }
.demo-control-label { display: flex; align-items: center; justify-content: space-between; gap: .7rem; }
.demo-control output { color: var(--teal); font-variant-numeric: tabular-nums; }
.demo-control select { width: 100%; min-width: 0; min-height: 46px; padding: .65rem .7rem; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); color: var(--ink); font: inherit; font-size: .8rem; cursor: pointer; }
.demo-control input[type="range"] { display: block; width: 100%; height: 44px; min-height: 44px; margin: .15rem 0 0; accent-color: var(--teal); cursor: pointer; }
.control-hint { display: block; margin-top: .2rem; color: var(--faint); font-size: .66rem; }
.demo-segmented { display: grid; gap: .25rem; padding: .25rem; border: 1px solid var(--line); border-radius: 9px; background: var(--canvas); grid-template-columns: 1fr 1fr; }
.demo-segmented button { min-height: 44px; padding: .4rem .5rem; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font: inherit; font-size: .79rem; font-weight: 700; cursor: pointer; }
.demo-segmented button:hover { color: var(--ink); background: var(--surface-2); }
.demo-segmented button[aria-pressed="true"] { background: var(--teal); color: var(--teal-ink); }
.demo-toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0 1.7rem 1.25rem; border-bottom: 1px solid var(--line); }
.demo-checkbox { display: inline-flex; min-height: 48px; align-items: center; gap: .8rem; cursor: pointer; }
.demo-checkbox input { flex: 0 0 auto; width: 22px; height: 22px; margin: 0; accent-color: var(--teal); cursor: pointer; }
.demo-checkbox strong { display: block; color: var(--ink); font-size: .8rem; font-weight: 700; }
.demo-checkbox span span { display: block; color: var(--faint); font-size: .71rem; }
.demo-reset { display: inline-flex; min-height: 44px; align-items: center; gap: .6rem; padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); font: inherit; font-size: .75rem; white-space: nowrap; cursor: pointer; }
.demo-reset:hover { border-color: var(--teal); color: var(--ink); }
.demo-previews { display: grid; gap: 1.25rem; padding: 1.5rem 1.7rem 1.1rem; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.demo-preview { min-width: 0; }
.demo-preview-heading { display: flex; min-height: 28px; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .85rem; }
.demo-preview-heading h3 { margin: 0; font-size: .95rem; line-height: 1.4; letter-spacing: -.015em; }
.demo-preview-heading > span { color: var(--faint); font-size: .64rem; white-space: nowrap; }
.demo-preview-heading .shared-badge { color: var(--teal); }
.demo-desktop { position: relative; min-height: 338px; overflow: hidden; border: 1px solid #56746a; border-radius: 10px; background: #d9e4de; color: #203c30; }
.demo-desktop-toolbar { display: flex; height: 31px; align-items: center; gap: .45rem; padding: 0 .7rem; border-bottom: 1px solid #b5c7bc; background: #c8d9cf; color: #415f4c; font-size: .58rem; }
.demo-desktop-toolbar > span:last-child { margin-left: auto; }
.desktop-app-mark { color: #275c41; font-size: .85rem; }
.demo-desktop-document { padding: 1.5rem 1.7rem; }
.desktop-kicker { color: #496957; font-size: .56rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.demo-desktop-document h4 { margin: .4rem 0 .35rem; font-size: 1.3rem; line-height: 1.25; letter-spacing: -.035em; }
.demo-desktop-document p { max-width: 25rem; margin: 0; color: #4a6655; font-size: .7rem; line-height: 1.55; }
.desktop-chart { display: flex; height: 86px; align-items: end; gap: 8%; margin: 1.1rem 0; padding: 0 .6rem; border-bottom: 1px solid #a5bcae; }
.desktop-chart i { width: 12%; height: 44%; border-radius: 4px 4px 0 0; background: #8eaf9a; }
.desktop-chart i:nth-child(2) { height: 65%; }
.desktop-chart i:nth-child(3) { height: 54%; }
.desktop-chart i:nth-child(4) { height: 82%; background: #6d967e; }
.desktop-chart i:nth-child(5) { height: 96%; background: #416e53; }
.desktop-text-lines i { display: block; width: 88%; height: 5px; margin-top: .45rem; border-radius: 2px; background: #b6cbbd; }
.desktop-text-lines i:last-child { width: 65%; }
.demo-window { position: absolute; top: 110px; right: 1.1rem; left: 1.1rem; min-height: 201px; overflow: hidden; border: 1px solid #6bad96; border-radius: 10px; background: #0e2b22; color: var(--ink); opacity: var(--demo-opacity); box-shadow: 0 12px 30px rgba(10, 38, 27, .3); transition: opacity .12s ease; }
.demo-window-titlebar { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .55rem .7rem; border-bottom: 1px solid #2b5142; background: #173a2d; color: #b8d8c8; font-size: .6rem; }
.demo-window-titlebar > span:first-child { display: flex; align-items: center; gap: .4rem; }
.demo-window-panels { display: grid; min-height: 165px; grid-template-columns: minmax(0, 1fr); }
[data-panels="2"] .demo-window-panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.demo-window-panel { min-width: 0; padding: .9rem; }
.demo-window-panel + .demo-window-panel { border-left: 1px solid #315441; background: #102e24; }
.demo-page-label { color: #7faa94; font-size: .55rem; }
.demo-window-panel h4 { margin: .45rem 0 .4rem; font-size: .95rem; font-weight: 750; line-height: 1.3; letter-spacing: -.025em; }
.demo-window-panel p { margin: 0; color: #b4d2c2; font-size: .66rem; line-height: 1.55; }
.demo-note-lines { display: flex; gap: .3rem; margin-top: .8rem; }
.demo-note-lines i { width: 30%; height: 3px; border-radius: 2px; background: #315944; }
.demo-note-lines i:nth-child(2) { width: 20%; }
.demo-note-lines i:last-child { width: 15%; }
.demo-preview-copy { display: flex; align-items: baseline; gap: .5rem; min-height: 1.4rem; margin: .75rem 0 0; color: var(--muted); font-size: .69rem; }
.preview-dot { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: #739c90; }
.preview-dot.shared { background: var(--teal); }
.demo-summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .85rem 1.7rem; border-top: 1px solid var(--line); background: #0a1915; }
.demo-summary p { margin: 0; color: var(--muted); font-size: .7rem; }
.demo-summary > span { color: var(--faint); font-size: .64rem; white-space: nowrap; }
.demo-disclosure { max-width: 940px; margin: 1.1rem 0 0; color: var(--muted); font-size: .78rem; line-height: 1.65; }

.use-grid { display: grid; gap: 0 2.5rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.use-card { padding: 1.75rem 0 1.9rem; border-top: 1px solid var(--line); }
.use-number { display: block; margin-bottom: 1.4rem; color: var(--teal); font-size: .75rem; font-variant-numeric: tabular-nums; }
.use-card h3 { margin: 0 0 .65rem; font-size: 1.05rem; line-height: 1.4; letter-spacing: -.015em; }
.use-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.feature-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(17, 40, 35, .86), rgba(10, 26, 22, .9)); }
.feature-card { min-height: 260px; padding: 1.55rem; }
.feature-card:first-child { grid-column: span 2; }
.icon-box { display: grid; width: 42px; height: 42px; margin-bottom: 2.5rem; place-items: center; border: 1px solid rgba(94, 234, 212, .24); border-radius: 11px; color: var(--teal); background: rgba(94, 234, 212, .06); }
.icon-box svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.feature-card h3 { margin: 0 0 .55rem; font-size: 1.2rem; }
.feature-card p { margin: 0; color: var(--muted); }

.steps { counter-reset: steps; display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.step { position: relative; padding: 1.5rem; border-top: 1px solid var(--line); }
.step::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 2.2rem; color: var(--teal); font-weight: 800; }
.step h3 { margin: 0 0 .5rem; }
.step p { margin: 0; color: var(--muted); }

.pricing-wrap { display: grid; align-items: stretch; gap: 1.25rem; grid-template-columns: 1.2fr .8fr; }
.price-card { padding: clamp(1.7rem, 4vw, 3.2rem); border-color: rgba(94, 234, 212, .36); }
.price-row { display: flex; flex-wrap: wrap; align-items: end; gap: 1rem; margin: 1.4rem 0; }
.price { font-size: clamp(3.2rem, 7vw, 5.2rem); font-weight: 850; line-height: 1; letter-spacing: -.06em; }
.price-note { padding-bottom: .6rem; color: var(--muted); }
.was { text-decoration: line-through; }
.check-list { display: grid; gap: .7rem; margin: 1.5rem 0 2rem; padding: 0; list-style: none; }
.check-list li { display: flex; gap: .65rem; color: var(--muted); }
.check-list li::before { content: "✓"; color: var(--teal); font-weight: 900; }
.fine-print { margin: 1rem 0 0; color: var(--faint); font-size: .82rem; }
.requirements { padding: clamp(1.5rem, 3vw, 2.3rem); }
.requirements h3 { margin-top: 0; }
.requirements dl { margin: 0; }
.requirements div { display: grid; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); grid-template-columns: 110px 1fr; }
.requirements div:last-child { border-bottom: 0; }
.requirements dt { color: var(--faint); font-size: .82rem; font-weight: 800; text-transform: uppercase; }
.requirements dd { margin: 0; color: var(--muted); }

.notice { display: grid; gap: 1.5rem; padding: 2rem; border: 1px solid rgba(251, 191, 36, .28); border-radius: var(--radius); background: rgba(251, 191, 36, .055); grid-template-columns: auto 1fr; }
.notice svg { width: 28px; height: 28px; fill: none; stroke: var(--amber); stroke-width: 1.8; }
.notice h2 { margin: 0 0 .5rem; font-size: 1.35rem; }
.notice p { margin: 0; color: var(--muted); }
.notice p + p { margin-top: .7rem; }

.faq { max-width: 820px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; color: var(--ink); font-weight: 750; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 1.5rem; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: -.2rem 0 1.5rem; color: var(--muted); }

.site-footer { padding: 3rem 0; border-top: 1px solid var(--line); }
.footer-grid { display: grid; align-items: start; gap: 2rem; grid-template-columns: 1.5fr 1fr 1fr; }
.footer-grid p { max-width: 440px; color: var(--faint); font-size: .9rem; }
.footer-links { display: grid; gap: .55rem; }
.footer-links strong { margin-bottom: .35rem; font-size: .85rem; }
.footer-links a { color: var(--muted); font-size: .9rem; text-decoration: none; }
.copyright { margin-top: 2.5rem; color: var(--faint); font-size: .8rem; }

.legal-main { min-height: 65vh; padding: 4rem 0 6rem; }
.legal { max-width: 780px; }
.legal h1 { margin: 0 0 .75rem; font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -.045em; }
.legal .updated { color: var(--faint); }
.legal h2 { margin: 2.8rem 0 .7rem; font-size: 1.35rem; }
.legal p, .legal li { color: var(--muted); }
.legal-callout { margin: 2rem 0; padding: 1.25rem; border-left: 3px solid var(--teal); background: var(--surface); }

@media (max-width: 860px) {
  .nav-links { gap: 1rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 4rem; }
  .hero > div:first-child { max-width: 660px; }
  .hero h1 { font-size: clamp(3rem, 6.6vw, 4.2rem); }
  .app-frame { width: min(620px, 100%); margin-inline: auto; }
  .section-head, .pricing-wrap { grid-template-columns: 1fr; }
  .demo-heading > div:last-child { max-width: 610px; }
  .demo-controls { gap: 1.25rem; grid-template-columns: 1fr 1fr; }
  .demo-control:first-child { grid-column: 1 / -1; }
  .demo-previews { gap: 1rem; padding: 1.25rem; }
  .demo-preview-heading { min-height: 44px; align-items: start; flex-direction: column; gap: .15rem; }
  .demo-window { right: .7rem; left: .7rem; }
  .demo-window-panel { padding: .75rem; }
  .demo-desktop-document { padding: 1.3rem 1.1rem; }
  .demo-summary { align-items: start; flex-direction: column; gap: .25rem; }
  .use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card:first-child { grid-column: auto; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .shell { width: min(100% - 1.25rem, 1160px); }
  section[id] { scroll-margin-top: 125px; }
  .nav { min-height: 100px; align-items: start; flex-direction: column; justify-content: center; gap: .25rem; padding: .65rem 0 .2rem; }
  .brand-name { font-size: .92rem; }
  .nav-links { width: 100%; justify-content: space-between; gap: .65rem; }
  .nav-links a { display: inline-flex; min-height: 40px; align-items: center; gap: .25rem; font-size: .79rem; }
  .hero { padding: 3.5rem 0 2.8rem; }
  .hero h1 { font-size: clamp(2.5rem, 10.7vw, 3.5rem); }
  .hero .eyebrow { font-size: .65rem; }
  .lead { font-size: 1rem; }
  .availability { font-size: .76rem; }
  .actions { align-items: stretch; flex-direction: column; }
  .actions .button { width: 100%; }
  .panels { min-height: 250px; }
  .panel { padding-inline: .85rem; }
  .hero-note strong { font-size: 1.35rem; }
  .hero-frame-label { font-size: .7rem; }
  .demo-section { padding-top: 3rem; }
  .demo-controls { gap: 1.35rem; padding: 1.25rem; grid-template-columns: 1fr; }
  .demo-control:first-child { grid-column: auto; }
  .demo-control select { font-size: .85rem; }
  .demo-segmented button { min-height: 44px; }
  .demo-toggle-row { padding: 0 1.25rem 1.15rem; gap: .5rem; }
  .demo-checkbox { gap: .6rem; }
  .demo-checkbox span span { max-width: 130px; font-size: .62rem; }
  .demo-reset { gap: .35rem; padding-inline: .55rem; font-size: .7rem; }
  .demo-previews { padding: 1.25rem .8rem 1rem; grid-template-columns: 1fr; }
  .demo-preview-heading { min-height: 28px; align-items: center; flex-direction: row; gap: .5rem; }
  .demo-preview-heading h3 { font-size: .88rem; }
  .demo-preview-heading > span { font-size: .59rem; }
  .demo-desktop { min-height: 338px; }
  .demo-window { right: .75rem; left: .75rem; }
  .demo-summary { padding: .85rem 1.1rem; }
  .demo-disclosure { font-size: .74rem; }
  .use-grid { grid-template-columns: 1fr; }
  .use-card { padding: 1.4rem 0; }
  .use-number { margin-bottom: .7rem; }
  .trust-strip, .feature-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-head { gap: .75rem; }
  .notice { grid-template-columns: 1fr; }
  .requirements div { gap: .4rem; grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}